问题描述
这是我正在尝试设计的单个项目的弹性布局:
请在下面找到我用来在 QlistWidget 中显示该自定义 QListWidgetItem 的代码。 但是布局看起来并不像预期的那样:
代码:
from PyQt5 import QtWidgets
from PyQt5.QtWidgets import *
class Ui_MainWindow(object):
def setupUi(self,MainWindow):
MainWindow.resize(400,500)
self.centralwidget = QWidget(MainWindow)
self.gridLayout = qgridLayout(self.centralwidget)
self.listWidget = QListWidget(self.centralwidget)
self.gridLayout.addWidget(self.listWidget,1,1)
MainWindow.setCentralWidget(self.centralwidget)
class customWidget(QWidget):
def __init__ (self,name,date,desc,parent = None):
super(customWidget,self).__init__(parent)
# Feed labels
self.labelName = QLabel(name)
self.labelName.setFrameShape(qframe.Box)
self.labelName.setStyleSheet('''font: bold;''')
self.labelDate = QLabel(date)
self.labelDate.setFrameShape(qframe.Box)
self.labelDesc = QLabel(desc)
self.labelDesc.setFrameShape(qframe.Box)
self.labelDesc.setWordWrap(True)
# layout
self.Hlayout = QHBoxLayout()
self.Hlayout.addWidget(self.labelName)
self.Hlayout.addStretch()
self.Hlayout.addWidget(self.labelDate)
self.Vlayout = QVBoxLayout()
self.Vlayout.addLayout(self.Hlayout)
self.Vlayout.addWidget(self.labelDesc)
self.setLayout(self.Vlayout)
def Feed_list():
myArray = [
("paul meneck","21/09/1969","blond whith red hat"),("boby la pointe","16/08/1972","brown shoes"),("julius con-meraz de la fuego","07/12/1980","this is a very long description"
"with more and more bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla "
"bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla "
"bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla bla "
"and finaly the END OF THAT LONG DESCRIPTION"),("roberto umportes","14/01/1957","another description for that roberto")
]
for var in myArray:
item = QListWidgetItem()
widget = customWidget(var[0],var[1],var[2])
item.setSizeHint(widget.sizeHint())
ui.listWidget.addItem(item)
ui.listWidget.setItemWidget(item,widget)
if __name__ == "__main__":
import sys
app = QApplication(sys.argv)
MainWindow = QMainWindow()
ui = Ui_MainWindow()
ui.setupUi(MainWindow)
MainWindow.show()
Feed_list()
sys.exit(app.exec_())
解决方法
如果必须使用 QListWidget,则您只需提供所需方向的提示。
小部件返回的 sizeHint 始终是推荐的尺寸,也就是最佳尺寸,以确保所有小部件都有正确的尺寸来显示其内容(即通常大于最小尺寸)。
相反,项目视图的 sizeHint 是项目将使用的默认大小,并且由于 QListWidget 没有水平标题,因此没有直接的方法将内容“拉伸”到小于提示的大小。>
解决方案是通过将其值设置为 -1 来使您不感兴趣的尺寸提示的方向无效:
widget = customWidget(var[0],var[1],var[2])
hint = widget.sizeHint()
hint.setWidth(-1)
item.setSizeHint(hint)